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Finding the Fourth Proportional to 293,502.39, 440,450.91 and 103,962.12

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Solution

The fourth proportional to 293,502.39, 440,450.91 and 103,962.12 is: 156,013.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,502.39 : 440,450.91 = 103,962.12 : x
  2. Step 2: Convert to fraction form
    293,502.39/440,450.91 = 103,962.12/x
  3. Step 3: Cross multiply
    293,502.39x = 440,450.91 × 103,962.12
  4. Step 4: Simplify right side
    293,502.39x = 45,790,210,359.53
  5. Step 5: Solve for x
    x = 45,790,210,359.53/293,502.39
  6. Step 6: Final answer
    x = 156,013.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.